Corner sander attachment



FIG. 1 is a bottom plan view of a corner sander attachment showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a top plan view showing another embodiment of the corner sander attachment; and,

FIG. 5 is a side elevational view of the embodiment shown in FIG. 4. 

The ornamental design for a corner sander attachment, as shown. 